Home / 13,033.91-18,001.58-8,777.58

Finding the Fourth Proportional to 13,033.91, 18,001.58 and 8,777.58

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Solution

The fourth proportional to 13,033.91, 18,001.58 and 8,777.58 is: 12,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.91 : 18,001.58 = 8,777.58 : x
  2. Step 2: Convert to fraction form
    13,033.91/18,001.58 = 8,777.58/x
  3. Step 3: Cross multiply
    13,033.91x = 18,001.58 × 8,777.58
  4. Step 4: Simplify right side
    13,033.91x = 158,010,259.53
  5. Step 5: Solve for x
    x = 158,010,259.53/13,033.91
  6. Step 6: Final answer
    x = 12,123.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.